sensor
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner (Freq. 7) • Syn: detector, sensing element • Derivationally related forms: sense, detect (for: detector) • Hypernyms: device • Hyponyms: metal detector, mine detector, photoelectric cell, photoconductive cell, photocell, electric eye, magic eye, trace detector
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